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15.3 Two equal point charges are separated by a distance of 23 cm. The magnitude of...

15.3 Two equal point charges are separated by a distance of 23 cm. The magnitude of the force that one charge exerts on the other is 18 N. What is the charge?

15.4 A 5 μC charge and a 3 μC charge are separated by some distance. If the magnitude of the force that one charge exerts on the other is 27 N, what is the distance between the two charges?

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